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Fig. 1: Schematic illustration of the conventional extrusion and emulsion-based techniques for microencapsulating probiotic bacteria cells with biopolymers. | Microsystems & Nanoengineering
Fig. 1: Schematic illustration of the conventional extrusion and emulsion-based techniques for microencapsulating probiotic bacteria cells with biopolymers.
In extrusion, polymer–cell suspensions are passed through a nozzle into a gelling bath, producing milli- to micron-sized particles24. Emulsification, by contrast, forms gel particles within biphasic systems (typically oil-based) stabilised by emulsifiers156
